S21904

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America UNS S21904 奥氏体铬锰镍合金不锈钢 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: S21904 / S21904

Category	Grade	Standard	Region/Area	Standard Content
Metals	S21904	--	America	奥氏体铬锰镍合金不锈钢

Chemical composition(mass fraction)(wt.%) of the S21904

Element	Min	Max	Similar
Si	-	1.0000	-
S	-	0.0300	-
P	-	0.0600	-
Ni	5.5000	7.5000	-
N	0.1500	0.4000	-
Mn	8.0000	10.0000	-
Cr	19.0000	21.5000	-
C	-	0.0400	-

Mechanical Properties of steel grade S21904

Yield R_p0.2 (MPa)	Tensile R_m (MPa)	Impact KV/Ku (J)	Elongation A (%)	Reduction in cross section on fracture Z (%)	As-Heat-Treated Condition	Brinell hardness (HBW)
388 (≥)	332 (≥)	43	23	43	Solution and Aging, Annealing, Ausaging, Q+T,etc	232

Physical Properties of steel grade S21904

Temperature (°C)	Modulus of elasticity (GPa)	Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and	Thermal conductivity (W/m·°C)	Specific thermal capacity (J/kg·°C)	Specific electrical resistivity (Ω mm²/m)	Density (kg/dm³)	Poisson’s coefficient, ν
43	-	-			0.31	-
856	639	-	11.3	313		-
391	-	11	31.2			322	443

Heat Treatment of steel grade S21904

Heat treated : 1515°C - 1453°C

Technological Curves of steel grade S21904

No Curve

Cross Reference Table (Equivalent Grade) of S21904

Grade	Standard	Country	Application
ASTM 5140
AISI 201
AISI 202
1.2767
17-4PH
AISI 1052
AISI 416Se
AISI 1330
AISI 205 Stainless Steel
AISI A10
AISI A2
AISI A3
AISI A4
1.0036
1.0037
SAE J403
UNS G10100
AMS 4924
ASTM A36
Electrode 100S-1

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